Clean pdffonts output to avoid invalid UTF-8 characters - #134
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tbk303 wants to merge 8 commits into
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I came across some weird PDF files for which pdffonts outputs invalid UTF-8 chars. This results in a "invalid UTF-8 ..." exception when matching NO_TEXT_DETECTED.
If Ruby 1.9/2.0 compatability is required, I can also extend this pull request with some scrub-polyfill.